diff --git a/gcc/optabs.def b/gcc/optabs.def
index 8875e30..8a64ce1 100644
--- a/gcc/optabs.def
+++ b/gcc/optabs.def
@@ -116,8 +116,8 @@ OPTAB_NL(ssdiv_optab, "ssdiv$Q$a3", SS_DIV, "ssdiv", '3', gen_signed_fixed_libfu
 OPTAB_NL(udiv_optab, "udiv$I$a3", UDIV, "udiv", '3', gen_int_unsigned_fixed_libfunc)
 OPTAB_NX(udiv_optab, "udiv$Q$a3")
 OPTAB_NL(usdiv_optab, "usdiv$Q$a3", US_DIV, "usdiv", '3', gen_unsigned_fixed_libfunc)
-OPTAB_NL(sdivmod_optab, "divmod$a4", UNKNOWN, "divmod", '4', gen_int_libfunc)
-OPTAB_NL(udivmod_optab, "udivmod$a4", UNKNOWN, "udivmod", '4', gen_int_libfunc)
+OPTAB_NC(sdivmod_optab, "divmod$a4", UNKNOWN) 
+OPTAB_NC(udivmod_optab, "udivmod$a4", UNKNOWN)
 OPTAB_NL(smod_optab, "mod$a3", MOD, "mod", '3', gen_int_libfunc)
 OPTAB_NL(umod_optab, "umod$a3", UMOD, "umod", '3', gen_int_libfunc)
 OPTAB_NL(ftrunc_optab, "ftrunc$F$a2", UNKNOWN, "ftrunc", '2', gen_fp_libfunc)